chore(3p/immer): Remove vendored copy of immer r/2029

We ended up dropping the use of this library again.

Change-Id: I2c44cd22a6128d23f87a582402bf5fb84991d608
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2292
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

2 files changed, 0 insertions, 91 deletions

diff --git a/third_party/immer/test/array_transient/default.cpp b/third_party/immer/test/array_transient/default.cpp
deleted file mode 100644
index aa603c7b0aab..000000000000
--- a/third_party/immer/test/array_transient/default.cpp
+++ /dev/null
@@ -1,41 +0,0 @@
-//
-// immer: immutable data structures for C++
-// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
-//
-// This software is distributed under the Boost Software License, Version 1.0.
-// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
-//
-
-#include <immer/array.hpp>
-#include <immer/array_transient.hpp>
-
-#define VECTOR_T ::immer::array
-#define VECTOR_TRANSIENT_T ::immer::array_transient
-
-#include "../vector_transient/generic.ipp"
-
-TEST_CASE("array_transient default constructor compiles")
-{
-    immer::array_transient<int> transient;
-}
-
-TEST_CASE("array provides mutable data")
-{
-    auto arr = immer::array<int>(10, 0);
-    CHECK(arr.size() == 10);
-    auto tr = arr.transient();
-    CHECK(tr.data() == arr.data());
-
-    auto d = tr.data_mut();
-    CHECK(tr.data_mut() != arr.data());
-    CHECK(tr.data() == tr.data_mut());
-    CHECK(arr.data() != tr.data_mut());
-
-    arr = tr.persistent();
-    CHECK(arr.data() == d);
-    CHECK(arr.data() == tr.data());
-
-    CHECK(tr.data_mut() != arr.data());
-    CHECK(tr.data() == tr.data_mut());
-    CHECK(arr.data() != tr.data_mut());
-}
diff --git a/third_party/immer/test/array_transient/gc.cpp b/third_party/immer/test/array_transient/gc.cpp
deleted file mode 100644
index 4b40185e94fa..000000000000
--- a/third_party/immer/test/array_transient/gc.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-//
-// immer: immutable data structures for C++
-// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
-//
-// This software is distributed under the Boost Software License, Version 1.0.
-// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
-//
-
-#include <immer/array.hpp>
-#include <immer/array_transient.hpp>
-
-#include <immer/heap/gc_heap.hpp>
-#include <immer/refcount/no_refcount_policy.hpp>
-
-using gc_memory = immer::memory_policy<immer::heap_policy<immer::gc_heap>,
-                                       immer::no_refcount_policy,
-                                       immer::gc_transience_policy,
-                                       false>;
-
-template <typename T>
-using test_array_t = immer::array<T, gc_memory>;
-
-template <typename T>
-using test_array_transient_t = immer::array_transient<T, gc_memory>;
-
-#define VECTOR_T test_array_t
-#define VECTOR_TRANSIENT_T test_array_transient_t
-
-#include "../vector_transient/generic.ipp"
-
-TEST_CASE("array provides mutable data")
-{
-    auto arr = immer::array<int, gc_memory>(10, 0);
-    CHECK(arr.size() == 10);
-    auto tr = arr.transient();
-    CHECK(tr.data() == arr.data());
-
-    auto d = tr.data_mut();
-    CHECK(tr.data_mut() != arr.data());
-    CHECK(tr.data() == tr.data_mut());
-    CHECK(arr.data() != tr.data_mut());
-
-    arr = tr.persistent();
-    CHECK(arr.data() == d);
-    CHECK(arr.data() == tr.data());
-
-    CHECK(tr.data_mut() != arr.data());
-    CHECK(tr.data() == tr.data_mut());
-    CHECK(arr.data() != tr.data_mut());
-}